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55837691448 = 23371130215201
BaseRepresentation
bin110100000000001011…
…111000111000111000
312100010102110121211020
4310000023320320320
51403323422111243
641352415302440
74014465355230
oct640013707070
9170112417736
1055837691448
1121753a15040
12a9a3b1aa20
13535b31a316
1429b9b6ccc0
1516bc11b283
hexd002f8e38

55837691448 has 64 divisors (see below), whose sum is σ = 174039563520. Its totient is φ = 14503296000.

The previous prime is 55837691401. The next prime is 55837691461. The reversal of 55837691448 is 84419673855.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55837691391 and 55837691400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15105753 + ... + 15109448.

It is an arithmetic number, because the mean of its divisors is an integer number (2719368180).

Almost surely, 255837691448 is an apocalyptic number.

It is an amenable number.

55837691448 is an abundant number, since it is smaller than the sum of its proper divisors (118201872072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55837691448 is a wasteful number, since it uses less digits than its factorization.

55837691448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30215228 (or 30215224 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 60.

The spelling of 55837691448 in words is "fifty-five billion, eight hundred thirty-seven million, six hundred ninety-one thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 132 154 168 231 264 308 462 616 924 1848 30215201 60430402 90645603 120860804 181291206 211506407 241721608 332367211 362582412 423012814 634519221 664734422 725164824 846025628 997101633 1269038442 1329468844 1692051256 1994203266 2326570477 2538076884 2658937688 3988406532 4653140954 5076153768 6979711431 7976813064 9306281908 13959422862 18612563816 27918845724 55837691448